When you shave a guinea pig it looks like a little hippo.
19
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Lobsters have blue blood.
476
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10